In article <7ka75d$io9 at smc.vnet.net>, Murray Eisenberg <murray at math.umass.edu> writes:
> Mathematica ver. 2.x in print documented the various shaped cell
> brackets -- the ornaments indicating active/inactive, initialization,
> sound, etc. Mathematica 3.x did not, and a number of users called
> attention to that omission.
>
> Unless I am mistaken, the new ver. 4.0, once again, fails to document
> the kinds of brackets. If I am correct, why is this simple matter still
> not attended to?
>
> (This is not a matter of idle curiosity. My students have repeatedly
> asked about this over the several years I have been teaching with ver.
> 3.0 and 3.0.1.)
This MathSource item may be of interest to you.
http://www.mathsource.com/Content/General/Tutorials/Programming/0209-810
--
P.J. Hinton
Mathematica Programming Group paulh at wolfram.com
Wolfram Research, Inc.
Disclaimer: Opinions expressed herein are those of the author alone.